Crosslinked polymeric network and use thereof

1. A crosslinked polymeric network comprising (a) a reaction product of a first glycosaminoglycan, a second glycosaminoglycan, and a first crosslinking agent, wherein the first glycosaminoglycan is hyaluronic acid or a salt thereof having a weight average molecular weight ranging from about 10,000 to about 200,000, the second glycosaminoglycan is chondroitin sulfate having a weight average molecular weight ranging from about 10,000 to about 100,000; and (b) one or more third glycosaminoglycans crosslinked with the reaction product with a second crosslinking agent.

2. The crosslinked polymeric network of claim 1 , wherein the reaction product comprises a crosslinked structure represented by the following formula:

wherein GAG is hyaluronic acid and GAG′ is chondroitin sulfate, and x is an integer equal to 1 to 20.

3. The crosslinked polymeric network of claim 1 , wherein the reaction product comprises one of a crosslinked structure represented by the following formula (I):

wherein GAG is hyaluronic acid and GAG′ is chondroitin sulfate, n is an integer equal to 1 to 10 and x independently is an integer equal to 1 to 10; and a crosslinked structure represented by the following formula (II):

wherein GAG is hyaluronic acid and GAG′ is chondroitin sulfate, and x independently is an integer equal to 1 to 10.

4. The crosslinked polymeric network of claim 1 , wherein the first crosslinking agent comprises a bis- or polyfunctional group selected from the group consisting of 1,4-butanediol diglycidyl ether (BDDE), 1,2-bis(2,3-epoxypropoxy)ethylene (EGDGE), ethylene glycol diglycidyl ether (EGDE), 1,2-ethanediol diglycidyl ether (EDDE), diepoxyoctane, 1,6-hexanediol diglycidyl ether, polypropylene glycol diglycidyl ether, polytetramethylene glycol diglycidyl ether, neopentyl glycol diglycidyl ether, polyglycerol polyglycidyl ester, diglycerol polyglycidyl ether, glycerol polyglycidyl ether, trimethylolpropane polyglycidyl ether, pentaerythritol polyglyglycidyl ether, sorbitol polyglycidyl ether, 1,2,7,8-diepoxyoctane, 1,3-butadiene diepoxide, pentaerythritol tetraglycidyl ether, and a polyepoxide.

5. The crosslinked polymeric network of claim 1 , wherein the first crosslinking agent comprises a dihydrazide crosslinking agent selected from the group consisting of succinic acid dihydrazide, glutaric acid dihydrazide, adipic acid dihydrazide, pimelic acid dihydrazide, suberic acid dihydrazide, azalaic acid dihydrazide, sebacic acid dihydrazide, undecanedioic acid dihydrazide, dodecanedioic acid dihydrazide, brassylic acid dihydrazide, tetradecanedioic acid dihydrazide, pentadecanedioic acid dihydrazide, thapsic acid dihydrazide, and octadecanedioic acid dihydrazide.

6. The crosslinked polymeric network of claim 1 , wherein the reaction product comprises the first glycosaminoglycan crosslinked with the second glycosaminoglycan.

7. The crosslinked polymeric network of claim 6 , wherein the first glycosaminoglycan crosslinked with the second glycosaminoglycan has a weight average molecular weight ranging from about 20,000 to about 300,000 Da.

8. The crosslinked polymeric network of claim 6 , wherein the reaction product further comprises the first glycosaminoglycan crosslinked with the first glycosaminoglycan, and the second glycosaminoglycan crosslinked with the second glycosaminoglycan.

9. The crosslinked polymeric network of claim 1 , wherein the second crosslinking agent is the same as the first crosslinking agent.

10. The crosslinked polymeric network of claim 1 , wherein the second crosslinking agent is different than the first crosslinking agent.

11. The crosslinked polymeric network of claim 1 , wherein the one or more third glycosaminoglycans are independently selected from the group consisting of chondroitin, chondroitin sulfate, dermatan, dermatan sulfate, heparin, heparan sulfate, hyaluronan and hyaluronic acid.

12. The crosslinked polymeric network of claim 1 , wherein the one or more third glycosaminoglycans comprise hyaluronic acid.

13. The crosslinked polymeric network of claim 1 , wherein the one or more third glycosaminoglycans are linear glycosaminoglycans.

14. The crosslinked polymeric network of claim 13 , wherein the one or more linear glycosaminoglycans are linear hyaluronic acid or linear chondroitin sulfate.

15. The crosslinked polymeric network of claim 13 , wherein the one or more linear glycosaminoglycans have a weight average molecular weight ranging from about 10,000 to about 3,000,000 Da.

16. The crosslinked polymeric network of claim 1 , wherein the reaction product is derived from about 1 wt. % to about 20 wt. % of the one or more third glycosaminoglycans, based on the total weight of the mixture.

17. The crosslinked polymeric network of claim 1 , wherein the reaction product is derived from about 1 wt. % to about 10 wt. % of the one or more third glycosaminoglycans, based on the total weight of the mixture.

18. The crosslinked polymeric network of claim 1 , wherein the reaction product is derived from about 1 wt. % to about 5 wt. % of the one or more third glycosaminoglycans, based on the total weight of the mixture.

19. A biomedical device having a surface coating, comprising a soft material having one or more biomedical device surface reactive functional groups and a surface coating, the surface coating being derived from a crosslinked polymeric network comprising (a) a reaction product of a first glycosaminoglycan, a second glycosaminoglycan, and a first crosslinking agent, wherein the first glycosaminoglycan is different than the second glycosaminoglycan; and (b) one or more third glycosaminoglycans crosslinked with the reaction product with a second crosslinking agent, the crosslinked polymeric network forming a complex with the one or more biomedical device surface reactive functional groups on the surface of the biomedical device.

20. The biomedical device of claim 19 , wherein the first glycosaminoglycan is hyaluronic acid and the second glycosaminoglycan is chondroitin sulfate.

21. The biomedical device of claim 19 , wherein the soft material is a soft ophthalmic lens.

22. The biomedical device of claim 21 , wherein the soft ophthalmic lens is a soft contact lens or a soft intraocular lens.

23. An aqueous ophthalmic composition comprising:

one or more crosslinked polymeric networks comprising (a) a reaction product of a first glycosaminoglycan, a second glycosaminoglycan, and a first crosslinking agent, wherein the first glycosaminoglycan is different than the second glycosaminoglycan; and (b) one or more third glycosaminoglycans crosslinked with the reaction product with a second crosslinking agent;

wherein the aqueous ophthalmic composition has a viscosity of from about 1 and up to about 75 centipoise (cps) and an osmolality in a range from 180 mOsmol/kg to 500 mOsmol/kg.

24. The aqueous ophthalmic composition of claim 23 , in the form of an eye care or a contact lens care product selected from the group consisting of eye drops, a contact lens preservative solution, a contact lens cleaning solution, and a contact lens multi-purpose solution.

25. The aqueous ophthalmic composition of claim 23 , in the form of a multi-purpose solution or rewetting drops.

26. A gel composition for promoting wound healing wherein the gel composition comprises one or more of the crosslinked polymeric networks of claim 1 .

27. A wound dressing comprising the gel composition of claim 26 .

28. The wound dressing of claim 27 , wherein the one or more third glycosaminoglycans are linear hyaluronic acid or linear chondroitin sulfate.

29. The biomedical device of claim 20 , wherein the one or more third glycosaminoglycans are independently selected from the group consisting of chondroitin, chondroitin sulfate, dermatan, dermatan sulfate, heparin, heparan sulfate, hyaluronan and hyaluronic acid.

30. The biomedical device of claim 19 , wherein the one or more third glycosaminoglycans are linear hyaluronic acid or linear chondroitin sulfate.

31. The aqueous ophthalmic composition of claim 23 , wherein the one or more third glycosaminoglycans are independently selected from the group consisting of chondroitin, chondroitin sulfate, dermatan, dermatan sulfate, heparin, heparan sulfate, hyaluronan and hyaluronic acid.

32. The aqueous ophthalmic composition of claim 23 , wherein the one or more third glycosaminoglycans are linear hyaluronic acid or linear chondroitin sulfate.

33. A biomedical device having a coating on a surface thereof, the coating comprising one or more of the crosslinked polymeric networks of claim 1 .

34. An aqueous ophthalmic composition comprising one or more of the crosslinked polymeric networks of claim 1 ;

wherein the aqueous ophthalmic composition has an osmolality in a range from 180 mOsmol/kg to 500 mOsmol/kg.

35. A gel composition for promoting wound healing wherein the gel composition comprises one or more of the crosslinked polymeric networks of claim 3 .

36. A wound dressing comprising the gel composition of claim 35 .

37. The crosslinked polymeric network of claim 1 , wherein the first crosslinking agent is a single crosslinking agent.

38. The crosslinked polymeric network of claim 37 , wherein the single crosslinking agent is an epoxide crosslinking agent.

39. The crosslinked polymeric network of claim 38 , wherein the epoxide crosslinking agent is selected from the group consisting of 1,4-butanediol diglycidyl ether (BDDE), 1,2-bis(2,3-epoxypropoxy)ethylene (EGDGE), ethylene glycol diglycidyl ether (EGDE), 1,2-ethanediol diglycidyl ether (EDDE), diepoxyoctane, 1,6-hexanediol diglycidyl ether, polypropylene glycol diglycidyl ether, polytetramethylene glycol diglycidyl ether, neopentyl glycol diglycidyl ether, polyglycerol polyglycidyl ester, diglycerol polyglycidyl ether, glycerol polyglycidyl ether, trimethylolpropane polyglycidyl ether, pentaerythritol polyglyglycidyl ether, sorbitol polyglycidyl ether, 1,2,7,8-diepoxyoctane, 1,3-butadiene diepoxide, pentaerythritol tetraglycidyl ether, and a polyepoxide.

40. The crosslinked polymeric network of claim 37 , wherein the single crosslinking agent is a dihydrazide crosslinking agent.

41. The crosslinked polymeric network of claim 40 , wherein the dihydrazide crosslinking agent is selected from the group consisting of succinic acid dihydrazide, glutaric acid dihydrazide, adipic acid dihydrazide, pimelic acid dihydrazide, suberic acid dihydrazide, azalaic acid dihydrazide, sebacic acid dihydrazide, undecanedioic acid dihydrazide, dodecanedioic acid dihydrazide, brassylic acid dihydrazide, tetradecanedioic acid dihydrazide, pentadecanedioic acid dihydrazide, thapsic acid dihydrazide, and octadecanedioic acid dihydrazide.

42. A contact lens having a surface coating, the surface coating being derived from a crosslinked polymeric network comprising a reaction product of a first glycosaminoglycan, a second glycosaminoglycan, and a first crosslinking agent, wherein the first glycosaminoglycan is different than the second glycosaminoglycan.

43. The contact lens of claim 42 , wherein the first glycosaminoglycan is hyaluronic acid or a salt thereof having a weight average molecular weight ranging from about 10,000 to about 200,000, and the second glycosaminoglycan is chondroitin sulfate having a weight average molecular weight ranging from about 10,000 to about 100,000.

44. The contact lens of claim 42 , wherein the first glycosaminoglycan crosslinked with the second glycosaminoglycan has a weight average molecular weight ranging from about 20,000 to about 300,000 Da.

45. The contact lens of claim 42 , which is a soft contact lens.

46. The contact lens of claim 42 , wherein the contact lens is a polymerization product of a monomeric mixture comprising one or more hydrophilic monomers.

47. The contact lens of claim 46 , wherein the monomeric mixture further comprises one or more silicone monomers.

48. The contact lens of claim 42 , which is a silicone hydrogel contact lens having a water content between about 10 to about 80 wt. %.